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08|29|2011 09:34 am EDT

DomainTools Releases Mail Server Investigation Site, ReverseMX.com

by Frank Michlick in Categories: Tools

As announced today, DomainTools has just released a new site, ReverseMX.com, The website allows users to analyze MX (mail exchanger) and SPF (Sender Policy Framework) usage and configuration by region and or network, helping to uncover relevant relationships.

In order to build the ReverseMX product, DomainTools has researched and gathered intelligence on mail server data related to over 130 million domains by querying their nameservers. ReverseMX not only uncovers which mail services are the most popular on a domains-in-use basis, it also uniquely correlates relationships between mail servers. You can also see which domains are hosted by a specific mailserver.

Says Tim Chen, CEO, DomainTools, “The DomainTools brand has historically been about surfacing and correlating interesting data around domain names and the DNS. The release of ReverseMX.com gets us back to those roots while simultaneously allowing us to experiment with some new database technologies that will help us to serve more data faster. We are looking forward to seeing how our strong community of active users can benefit from our SPF and MX data.”

See the full press release after the jump.

DomainTools.com Introduces ReverseMX.com, Pinpointing Hard-to-Detect Relationships Between Mail Servers and DomainsUsers Can Analyze MX & SPF Usage and Configuration by Region and or Network, Gaining Fresh Insight into RelationshipsSeattle, WA — August XX, 2011 — DomainTools, the recognized leader in domain name research and monitoring, today announced the launch of ReverseMX.com. The website allows users to analyze MX and SPF usage and configuration by region and or network, helping to uncover relevant relationships.

In order to build the ReverseMX product, DomainTools has researched and gathered intelligence on mail server data related to over 130 million domains. ReverseMX not only uncovers which mail services are the most popular on a domains-in-use basis, it also uniquely correlates relationships between mail servers. This is something no other website is offering today.

ReverseMX can be used by a wide audience — basically anyone interested in researching the footprint of small or large email providers.  For example, users can analyze  which mail servers’ domains are using certain email providers, or how Microsoft’s hosted email is doing against Gmail or Yahoo.

In addition, ReverseMX can be used to discover how mail servers are configured, including looking at their SPF records for any anti-spam or anti-phishing activities. Users can look up their own domain name and see if their records are correct and valid.

ReverseMX arms users with multiple data points that help to expose relationships between domains and mail servers:

  • Given a domain, discover which other domains use the same mail server
  • For a given IP address, see which domains it is authorized to send mail for (SPF)
  • Learn who the top mail providers are by hostname or IP
  • Determine the percentage of domains using services like Gmail to handle mail
  • Uncover how many mail server hosts point to the same IP address
  • Detect how many domains use a specific IP address (server) to accept mail
  • Identify which domains are most popular for mail hosting

The information on ReverseMX.com is made freely available to any visitor.

Says Tim Chen, CEO, DomainTools, “The DomainTools brand has historically been about surfacing and correlating interesting data around domain names and the DNS. The release of ReverseMX.com gets us back to those roots while simultaneously allowing us to experiment with some new database technologies that will help us to serve more data faster. We are looking forward to seeing how our strong community of active users can benefit from our SPF and MX data.”

For nearly 10 years, DomainTools has provided users with the most comprehensive data about domain names.  Individuals, small business owners, and many large enterprises use the breadth of tools to do everything from finding a good domain for a new business to verifying DNS and WHOIS information on corporate portfolios of thousands of domains.

About DomainTools
DomainTools is the recognized leader in domain name research and monitoring. Like the white pages of the Internet, DomainTools publishes a directory that serves a comprehensive snapshot of past and present domain name registration and ownership records in addition to comprehensive research tools that help to uncover and discover everything there is to know about a domain name. DomainTools is a Top 200 site in the Alexa rankings and is based in Seattle, Washington. Visit the website at http://www.domaintools.com.

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